FR3072668B1 - GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON - Google Patents

GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON Download PDF

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Publication number
FR3072668B1
FR3072668B1 FR1759859A FR1759859A FR3072668B1 FR 3072668 B1 FR3072668 B1 FR 3072668B1 FR 1759859 A FR1759859 A FR 1759859A FR 1759859 A FR1759859 A FR 1759859A FR 3072668 B1 FR3072668 B1 FR 3072668B1
Authority
FR
France
Prior art keywords
skeleton
glass
gravity
counter
glass bending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1759859A
Other languages
French (fr)
Other versions
FR3072668A1 (en
Inventor
Christophe Machura
Thierry Olivier
Philippe Frebourg
Jerome Pelletier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR1759859A priority Critical patent/FR3072668B1/en
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to US16/755,017 priority patent/US20200346965A1/en
Priority to EP18814988.4A priority patent/EP3697734A1/en
Priority to CN201880003853.7A priority patent/CN109937192B/en
Priority to PCT/FR2018/052597 priority patent/WO2019077278A1/en
Priority to EP18812230.3A priority patent/EP3697733A1/en
Priority to CN201880003850.3A priority patent/CN109952276B/en
Priority to US16/755,047 priority patent/US20210188686A1/en
Priority to PCT/FR2018/052596 priority patent/WO2019077277A1/en
Publication of FR3072668A1 publication Critical patent/FR3072668A1/en
Application granted granted Critical
Publication of FR3072668B1 publication Critical patent/FR3072668B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/025—Re-forming glass sheets by bending by gravity
    • C03B23/0256—Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

L'invention concerne un dispositif et un procédé de bombage par gravité de feuilles de verre comprenant une pluralité de côtés, comprenant un squelette pour supporter le verre dans sa zone périphérique et un contre-squelette apte à entrer en contact avec le verre dans la zone du milieu d'au moins un côté de la zone périphérique de la face principale supérieure du verre. L'invention est particulièrement utile pour le bombage de verre mince et pour réduire les ondulations ayant tendance à se former vers le milieu des côtés.The invention relates to a device and a method for the bending by gravity of sheets of glass comprising a plurality of sides, comprising a skeleton to support the glass in its peripheral zone and a counter-skeleton capable of coming into contact with the glass in the zone from the middle of at least one side of the peripheral zone of the upper main face of the lens. The invention is particularly useful for the bending of thin glass and for reducing the undulations which tend to form towards the middle of the sides.

FR1759859A 2017-10-19 2017-10-19 GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON Expired - Fee Related FR3072668B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR1759859A FR3072668B1 (en) 2017-10-19 2017-10-19 GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON
EP18814988.4A EP3697734A1 (en) 2017-10-19 2018-10-18 Gravity-bending glass in the presence of a radiative counter-frame
CN201880003853.7A CN109937192B (en) 2017-10-19 2018-10-18 Bending glass by gravity between a skeleton and a counter-skeleton
PCT/FR2018/052597 WO2019077278A1 (en) 2017-10-19 2018-10-18 Gravity-bending glass in the presence of a radiative counter-frame
US16/755,017 US20200346965A1 (en) 2017-10-19 2018-10-18 Bending glass by gravity between skeleton and counter-skeleton
EP18812230.3A EP3697733A1 (en) 2017-10-19 2018-10-18 Gravity-bending glass between a frame and a counter-frame
CN201880003850.3A CN109952276B (en) 2017-10-19 2018-10-18 Gravity bending of glass with radiation reflecting skeleton
US16/755,047 US20210188686A1 (en) 2017-10-19 2018-10-18 Gravity bending of glass in the presence of a radiative counter-skeleton
PCT/FR2018/052596 WO2019077277A1 (en) 2017-10-19 2018-10-18 Gravity-bending glass between a frame and a counter-frame

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1759859 2017-10-19
FR1759859A FR3072668B1 (en) 2017-10-19 2017-10-19 GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON

Publications (2)

Publication Number Publication Date
FR3072668A1 FR3072668A1 (en) 2019-04-26
FR3072668B1 true FR3072668B1 (en) 2022-04-01

Family

ID=61132543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1759859A Expired - Fee Related FR3072668B1 (en) 2017-10-19 2017-10-19 GLASS BENDING BY GRAVITY BETWEEN SKELETON AND COUNTER-SKELETON

Country Status (1)

Country Link
FR (1) FR3072668B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3106827B1 (en) * 2020-01-31 2022-02-04 Saint Gobain Method and device for bending a sheet of glass by pressing against a bending mold

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536315A (en) *
GB1157090A (en) * 1965-12-02 1969-07-02 Triplex Safety Glass Co Improvements in or relating to a method and apparatus for Bending Glass in Sheet Form
GB1463062A (en) * 1973-07-20 1977-02-02 Triplex Safety Glass Co Bending of glass sheets
US4396410A (en) * 1981-08-12 1983-08-02 Libbey-Owens-Ford Company Method of and apparatus for press bending glass sheets

Also Published As

Publication number Publication date
FR3072668A1 (en) 2019-04-26

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